Introduction
Almost 100% of the time, issues with Firefox are not issues with Firefox but issues with extensions or your configuration. This post sets out the basic steps to narrow down where the issue lies.
Outline
The usual steps for troubleshooting Firefox:
Clear the browser cache
Start in Safe Mode
Start with a clean profile
a) Start with fresh preferences
b) Remove old security/key database files
Before each of these, make sure Firefox is not running.
Clear the browser cache
If you c…